2 answers:
a) 10 - 20 +45
Step-by-step explanation:
Is known :
She started with 10 points.
In the first round she lost 20 points.
In the second round she won 45 points.
Asked :
- Which of the following shows the changes in Anayah scores?
Aswered :
She started with 10 points - In the first round she lost 20 points + In the second round she won 45 points
= 10 - 20 + 45
Answer:
A.
Step-by-step explanation:
It's set up exactly as it is said. She starts with 10 points automatically so you would put:
10
Then it says that she lost 20 points. Losing is subtraction. You would add this to the equation:
10-20
Then it says she won 45 points. Winning is addition. You would add this to the equation:
10-20+45
This equation matches up with A. thus A. being the correct answer. If they ask for the answer, it is 35 by the way. Hope this helps!
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Answer:
$1343
Step-by-step explanation:
The equation would be
x= 1580 (1-0.15)
x represents how much he actually pays.
1-0.15=0.85.
1580×0.85=1343
1. The mean of all the numbers is 41.
5. Median : 52
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